These wireless neckband headphones combine comfort and convenience with an innovative magnetic design. The flexible neck-behind style provides a secure, comfortable fit during workouts or daily activities, while built-in magnets keep the earbuds together when not in use, preventing tangles and making storage effortless. Advanced Bluetooth 4.0 technology delivers stable connectivity up to 10 meters and crisp, skip-free stereo sound. The headphones feature noise reduction and echo cancellation technology to ensure clear call quality by filtering background noise. Easy-access button controls allow you to manage calls, music playback, and volume without reaching for your device. The IPX4 waterproof rating protects against sweat and light rain, making these ideal for running and other sports activities. Built-in call vibrate alert and number broadcast features keep you connected on the go. The lightweight design weighs just 176 grams for all-day comfort. The rechargeable battery provides up to 100 hours of standby time and 2-3 hours of continuous talk or music time, with a quick charging time under 2 hours. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.